142313207 has 4 divisors (see below), whose sum is σ = 144114720. Its totient is φ = 140511696.

The previous prime is 142313203. The next prime is 142313209. The reversal of 142313207 is 702313241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702313241 = 7 ⋅100330463.

It is a cyclic number.

It is not a de Polignac number, because 142313207 - 2² = 142313203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142313201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900638 + ... + 900795.

It is an arithmetic number, because the mean of its divisors is an integer number (36028680).

Almost surely, 2^142313207 is an apocalyptic number.

142313207 is a deficient number, since it is larger than the sum of its proper divisors (1801513).

142313207 is an equidigital number, since it uses as much as digits as its factorization.

142313207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801512.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 142313207 is about 11929.5099228761. The cubic root of 142313207 is about 522.0936388536.

Adding to 142313207 its reverse (702313241), we get a palindrome (844626448).

The spelling of 142313207 in words is "one hundred forty-two million, three hundred thirteen thousand, two hundred seven".